(19)

(11)

EP 2 076 466 A2

(12)

(88) Date of publication A3: 14.08.2008 (43) Date of publication: 08.07.2009 Bulletin 2009/28 (21) Application number: 07825159.2 (22) Date of filing: 21.09.2007

(51) International Patent Classification (IPC):  C02F 1/52(2006.01) C02F 1/66(2006.01) C02F 101/16(2006.01) (86) International application number: PCT/IB2007/002745 (87) International publication number: WO 2008/038089 (03.04.2008 Gazette 2008/14)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR (30) Priority: 25.09.2006 DK 200601233 (71) Applicant: Dong Energy Power A/S 7000 Fredericia (DK)	(72) Inventor: KNUDSEN, Niels Ole 9700 Brønderslev (DK) (74) Representative: Carlsen, Niels G. et al Budde Schou A/S Vester Søgade 10 1601 Copenhagen V 1601 Copenhagen V (DK)